Chen Jin, a professor at Shanghai Jiao Tong University, claimed in 2003 to have developed a new digital signal processing (DSP) microchip called the "Hanxin 1", which would have been the first DSP chip to have been wholly developed in China.
However, Chen Jin's invention was later exposed as a Motorola chip with the original identifications sandpapered away.
[1] According to analysts, the case underscores the pressure on Chinese researchers to develop technological innovations which would enable China to bridge the gap with the West.
[2][3] At the beginning of 2006, an anonymous user posted an article on the Chinese internet forum Tianya Club about the forgery of this DSP chip with very detailed references.
On May 12, 2006, the China News Service reported that Chen's research was faked and the Hanxin project had been cancelled.